package file;

import java.io.File;
import java.io.FileFilter;

public class Test2 {public static void main(String[] args) {
    File dir=new File(".");
    if (dir.isDirectory()){
        FileFilter filter=new FileFilter() {
            public boolean accept(File file) {
                String name=file.getName();
                return name.contains("s");
            }
        } ;
        File[]subs=dir.listFiles(filter);
        for (File sub:subs){
            System.out.println(sub.getName());
        }
    }
}
}
